Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756176Ab2F0F72 (ORCPT ); Wed, 27 Jun 2012 01:59:28 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:36174 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750994Ab2F0F71 (ORCPT ); Wed, 27 Jun 2012 01:59:27 -0400 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.7.4 Message-ID: <4FEAA12B.6070906@jp.fujitsu.com> Date: Wed, 27 Jun 2012 14:59:07 +0900 From: Yasuaki Ishimatsu User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20120614 Thunderbird/13.0.1 MIME-Version: 1.0 To: , , , CC: , , , , , , , Subject: [RFC PATCH 12/12] memory-hotplug : remove sysfs file of node References: <4FEA9C88.1070800@jp.fujitsu.com> In-Reply-To: <4FEA9C88.1070800@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1446 Lines: 39 The patch adds node_set_offline() and unregister_one_node() to remove_memory() for removing sysfs file of node. CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Wen Congyang Signed-off-by: Yasuaki Ishimatsu --- mm/memory_hotplug.c | 5 +++++ 1 file changed, 5 insertions(+) Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-06-26 14:32:03.630368866 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-06-26 14:39:58.090437374 +0900 @@ -702,6 +702,11 @@ int remove_memory(int nid, u64 start, u6 /* remove memmap entry */ firmware_map_remove(start, start + size, "System RAM"); + if (!node_present_pages(nid)) { + node_set_offline(nid); + unregister_one_node(nid); + } + __remove_pages(start >> PAGE_SHIFT, size >> PAGE_SHIFT); unlock_memory_hotplug(); return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/